The Washer,key, cataloged under National Stock Number 5310-00-943-2033, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-943-2033 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Internal Prebent Key Width | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Overall Distance Including Keys | 0.875 INCHES MAXIMUM IN |
| Style Designator | KEY |
| Material Document and Classification | AISI ASSN STD 1ST MATERIAL RESPONSE OR QQ-S-690 COND 1 OR 2 FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.625 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Material Thickness | 0.037 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| External Key Quantity | 9 |
| Internal Prebent Key Length | 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| External Prebent Key Width | 0.108 INCHES MINIMUM AND 0.122 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OR STEEL OVERALL |
| Hole Diameter | 0.406 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MS19070-002 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 1606794 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| MS19070-002 | 2/2 Government specification standardization U.S. Government activity |
NSN 5310-00-943-2033 is a Washer,key, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-943-2033: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Internal Prebent Key Width: 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Overall Distance Including Keys: 0.875 INCHES MAXIMUM IN; Style Designator: KEY. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.